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When 1.50 mol of of CH4 reacts with excess Cl2 at a constant pressure according o the chemical equation, CH4 + 3CL2 2 CHCl3 + 3H2, and 1062 kL of heat are released. Calculate the value of ?H? for this reaction. ?H=?
lungs now contain 0.15 moles of oxygen gas, and 0.60 moles of nitrogen gas. If your lungs are at 1.4 atm of total pressure, what is the partial pressure of oxygen gas inside your lungs?
Galvanized nails are iron nails that have been plated with zinc toprevent rusting. The relevant reaction is For a large batch of nails, a manufacturer needs to plate a totalzinc mass of 1.70 on the surface to get adequatecoverage.
A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole?
What will be the direction of the reaction when the reactants and products have the following concentrations; CS2=0.14M, Cl2=).18 M,CCl4=0.28 M, and S2Cl2=0.20 M
how do you find delta change H° of gaseous HCl with the following information: 1) N2(g) + 3H2 (g) > 2NH3(g) delta changeH°(rxn) = -91.8 kj 2) N2(g) + 4H2 (g) +Cl2 (g) > 2NH4Cl(s) detla changeH°(rxn)= -628.8 kj 3) NH3 (g) +HCl (g) >NH4Cl(s) delta c..
A chemistry student needs of 40 ml chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48g x cm^-3 . Calculate the mass of chloroform the student should w..
When measuring the boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell
One of the more common agents for standardizing solutions of potassium hydroxide (KOH) is potassium acid phtalate (KHC8H4O4), or, more accurately, potassium hydrogen phthalate.
when metabolized an orange provides 445 kj of energy. what mass of water could this amount of energy raise from 25.0
Determine the half-life for the reaction in Part B using the integrated rate law, given that the initial concentration is 1.75molxL^-1 and the rate constant is 0.0020 molxL^-1x s^-1 .
What is the coordination number for each of the following complexes? A. [Co(NH3)4(H2O)2]^3+ B. [Cr(EDTA)]^-
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries.
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